Level Standard Hard Expert New puzzle Restart
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THE ESSENTIALS How to play Choose Play pattern and watch one highlighted pad at a time. Wait for Your turn before entering the sequence. Round one uses the first pad of the sequence. Each completed round adds one new pad to the same prefix. Standard has 4 pads and 4 rounds, Hard 6 pads and 6 rounds, and Expert 9 pads and 8 rounds. Repeat every pad in order to complete a round. A mistake lets you replay that round; completing all rounds wins. There is no deadline for answering. Controls Use the numbered pad buttons, or type their numbers while the board has focus. Enter and Space also activate a focused enabled pad. Replay round shows the current sequence again and clears the partial answer for that round. Restart returns the same challenge to round one. New puzzle creates a new sequence. Changing difficulty resets the challenge. Undo is unavailable because recalling the order is the task. Good to know Growing-sequence recall is an established game idea; the code, controls and explanations here are independently created.
The display uses no audio. One pad is highlighted for 420ms, followed by a 220ms gap; reduced-motion styling can remove transitions without changing the sequence.
Repeated numbers are valid and their dark gaps separate the steps. A perfect Standard challenge displays ten highlights in total across its four rounds.